Antimony Trioxide

Sb₂O₃

IUPAC: Diantimony trioxide

CAS: 1309-64-4

Übersicht

Antimony trioxide is the most important commercial antimony compound, primarily used as a flame retardant synergist with halogenated compounds.

Zusammensetzung

Element Symbol Atome Atommasse
Oxygen O 3 15,9990
Antimony Sb 2 121,7600

Elementare Zusammensetzung

O
Oxygen ×3
16,5%
Sb
Antimony ×2
83,5%

Verwendung

  • • Flame retardant synergist
  • • Ceramic opacifier
  • • Catalyst for PET
  • • Glass decolorizer

Wissenswertes

  • ✦ Present in many flame-retarded fabrics, electronics, and building materials

Sicherheit

  • ⚠ Possible carcinogen
  • ⚠ Irritant

Structure

SMILES

[O-2].[O-2].[O-2].[Sb+3].[Sb+3]

Eigenschaften

Typ
oxide
Zustand
solid
Molmasse
291,52 g/mol
Dichte
5,2000 g/cm³
Schmelzpunkt
656,0 °C
Siedepunkt
1425,0 °C
Löslichkeit
insoluble

Molecular Descriptors

Exact Mass
291,7928
TPSA
3,0 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
0,0

Verwandte Verbindungen

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Beryllium Oxide

BeO

Cadmium Oxide

CdO

Frequently Asked Questions

What is Antimony Trioxide?
Antimony Trioxide (Sb₂O₃) is a oxide compound with the IUPAC name Diantimony trioxide.
What is the molecular weight of Antimony Trioxide?
Antimony Trioxide has a molar mass of 291.52 g/mol.
What state is Antimony Trioxide at room temperature?
Antimony Trioxide is a solid at room temperature.
Is Antimony Trioxide organic or inorganic?
Antimony Trioxide is classified as an inorganic compound.
What elements make up Antimony Trioxide?
Antimony Trioxide (Sb₂O₃) is composed of Oxygen (O), Antimony (Sb).